<template>
    <div>
        <h3>当前最新的count值为: {{count}}</h3>
        <button>-1</button>
    </div>
</template>>

<script>
import { mapState } from 'vuex'
export default {
  data() {
    return {

    }
  },
  computed: {
    ...mapState(['count'])
  }
}
</script>
